/*
 * Copyright 2016 Crown Copyright
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package stroom.task.impl;

import stroom.util.shared.TerminateHandler;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public class ExternalShutdownController {
    private static final Map<Object, TerminateHandler> terminateHandlers = new ConcurrentHashMap<>();

    public static void addTerminateHandler(final Object key, final TerminateHandler terminateHandler) {
        terminateHandlers.put(key, terminateHandler);
    }

    public static void shutdown() {
        terminateHandlers.values().forEach(TerminateHandler::onTerminate);
    }
}
